1 /* $OpenBSD: rpc_tblout.c,v 1.10 2002/07/05 05:39:42 deraadt Exp $ */
2 /* $NetBSD: rpc_tblout.c,v 1.3 1995/06/24 15:00:15 pk Exp $ */
3 /*
4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5 * unrestricted use provided that this legend is included on all tape
6 * media and as a part of the software program in whole or part. Users
7 * may copy or modify Sun RPC without charge, but are not authorized
8 * to license or distribute it to anyone else except as part of a product or
9 * program developed by the user or with the express written consent of
10 * Sun Microsystems, Inc.
11 *
12 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
13 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
14 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
15 *
16 * Sun RPC is provided with no support and without any obligation on the
17 * part of Sun Microsystems, Inc. to assist in its use, correction,
18 * modification or enhancement.
19 *
20 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
21 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
22 * OR ANY PART THEREOF.
23 *
24 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
25 * or profits or other special, indirect and consequential damages, even if
26 * Sun has been advised of the possibility of such damages.
27 *
28 * Sun Microsystems, Inc.
29 * 2550 Garcia Avenue
30 * Mountain View, California 94043
31 */
32
33 #ifndef lint
34 static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
35 #endif
36
37 /*
38 * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
39 */
40 #include <sys/cdefs.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 #include "rpc_parse.h"
45 #include "rpc_util.h"
46
47 #define TABSIZE 8
48 #define TABCOUNT 5
49 #define TABSTOP (TABSIZE*TABCOUNT)
50
51 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
52
53 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
54 static char tbl_end[] = "};\n";
55
56 static char null_entry[] = "\n\t(char *(*)())0,\n\
57 \t(xdrproc_t) xdr_void,\t\t\t0,\n\
58 \t(xdrproc_t) xdr_void,\t\t\t0,\n";
59
60 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
61
62 static void write_table(definition *);
63 static void printit(char *, char *);
64
65 void
write_tables()66 write_tables()
67 {
68 definition *def;
69 list *l;
70
71 fprintf(fout, "\n");
72 for (l = defined; l != NULL; l = l->next) {
73 def = (definition *) l->val;
74 if (def->def_kind == DEF_PROGRAM)
75 write_table(def);
76 }
77 }
78
79 static void
write_table(def)80 write_table(def)
81 definition *def;
82 {
83 version_list *vp;
84 proc_list *proc;
85 int current;
86 int expected;
87 char progvers[100];
88 int warning;
89
90 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
91 warning = 0;
92 snprintf(progvers, sizeof progvers, "%s_%s",
93 locase(def->def_name), vp->vers_num);
94 /* print the table header */
95 fprintf(fout, tbl_hdr, progvers);
96
97 if (nullproc(vp->procs)) {
98 expected = 0;
99 } else {
100 expected = 1;
101 fprintf(fout, null_entry);
102 }
103 for (proc = vp->procs; proc != NULL; proc = proc->next) {
104 current = atoi(proc->proc_num);
105 if (current != expected++) {
106 fprintf(fout,
107 "\n/*\n * WARNING: table out of order\n */\n");
108 if (warning == 0) {
109 fprintf(stderr,
110 "WARNING %s table is out of order\n",
111 progvers);
112 warning = 1;
113 nonfatalerrors = 1;
114 }
115 expected = current + 1;
116 }
117 fprintf(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
118
119 /* routine to invoke */
120 if (!newstyle)
121 pvname_svc(proc->proc_name, vp->vers_num);
122 else {
123 if (newstyle)
124 fprintf(fout, "_"); /* calls internal func */
125 pvname(proc->proc_name, vp->vers_num);
126 }
127 fprintf(fout, "),\n");
128
129 /* argument info */
130 if (proc->arg_num > 1)
131 printit((char*) NULL, proc->args.argname);
132 else
133 /* do we have to do something special for newstyle */
134 printit(proc->args.decls->decl.prefix,
135 proc->args.decls->decl.type);
136 /* result info */
137 printit(proc->res_prefix, proc->res_type);
138 }
139
140 /* print the table trailer */
141 fprintf(fout, tbl_end);
142 fprintf(fout, tbl_nproc, progvers, progvers, progvers);
143 }
144 }
145
146 static void
printit(prefix,type)147 printit(prefix, type)
148 char *prefix;
149 char *type;
150 {
151 int len, tabs;
152
153 len = fprintf(fout, "\txdr_%s,", stringfix(type));
154 /* account for leading tab expansion */
155 len += TABSIZE - 1;
156 /* round up to tabs required */
157 tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
158 fprintf(fout, "%s", &tabstr[TABCOUNT-tabs]);
159
160 if (streq(type, "void")) {
161 fprintf(fout, "0");
162 } else {
163 fprintf(fout, "sizeof (");
164 /* XXX: should "follow" be 1 ??? */
165 ptype(prefix, type, 0);
166 fprintf(fout, ")");
167 }
168 fprintf(fout, ",\n");
169 }
170